It's a question of sheer amount of corruption. We're at a point where the revolving door has become an expressway, and the connection has become so hardened, that the only option becomes to shut them down.
Sure, in a perfect world you'd rather have functioning agencies operating in the public interest, but people need to remember that every agency created represents yet another attack surface for corruption.
Most agencies are now captured by the large interests. https://i.imgur.com/UiH0Dmb.png https://i.imgur.com/ZQsJN6T.png
Anyone who mentions anything about this must face an army of shills and dependents, while actual whistleblowing goes unreported and ignored. https://usrtk.org/wp-content/uploads/2017/03/JessRowlandMari...
Sure, in a perfect world you'd rather have functioning agencies operating in the public interest, but people need to remember that every agency created represents yet another attack surface for corruption.